Patents by Inventor P.K. Nanda Kumar

P.K. Nanda Kumar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Scalable DSL access multiplexer with high reliability
    Patent number: 6477595
    Abstract: A digital subscriber line (DSL) multiplexer is used in conjunction with a DSL modem to provide a reliable high speed connection for an end-user. The scaleable DSL multiplexer supports multiple DSL modems to a number of subscriber desiring increased bandwidth. The connection is reliably maintained by the multiplexer which utilizes a proprietary protocol to exchange management information to monitor the connection.
    Type: Grant
    Filed: April 11, 2000
    Date of Patent: November 5, 2002
    Assignee: E-Cell Technologies
    Inventors: Michael S. Cohen, K. C. Babu, R. Balasubramanyam, Murali Ramanathan, P. K. Nanda Kumar
  • DSL modem with management capability
    Patent number: 6404861
    Abstract: A modem using digital subscriber line (DSL) provides high speed access over a copper plant. The DSL modem exchanges management information to a terminating multiplexer using a proprietary protocol, thus enabling reliable, fast access to networking resources.
    Type: Grant
    Filed: April 11, 2000
    Date of Patent: June 11, 2002
    Assignee: e-Cell Technologies
    Inventors: Michael S. Cohen, K. C. Babu, R. Balasubramanyam, Murali Ramanathan, P.K. Nanda Kumar